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-rw-r--r--drivers/dma/ioat/dma_v3.c3
-rw-r--r--drivers/dma/ioat/registers.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 22af78ec2573..0913d11e09ee 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -167,7 +167,8 @@ static void ioat3_cleanup_tasklet(unsigned long data)
167 struct ioat2_dma_chan *ioat = (void *) data; 167 struct ioat2_dma_chan *ioat = (void *) data;
168 168
169 ioat3_cleanup(ioat); 169 ioat3_cleanup(ioat);
170 writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); 170 writew(IOAT_CHANCTRL_RUN | IOAT3_CHANCTRL_COMPL_DCA_EN,
171 ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
171} 172}
172 173
173static void ioat3_restart_channel(struct ioat2_dma_chan *ioat) 174static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)
diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h
index 85d04b8c563c..97d26ea6d72f 100644
--- a/drivers/dma/ioat/registers.h
+++ b/drivers/dma/ioat/registers.h
@@ -84,6 +84,7 @@
84/* DMA Channel Registers */ 84/* DMA Channel Registers */
85#define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */ 85#define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */
86#define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 86#define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000
87#define IOAT3_CHANCTRL_COMPL_DCA_EN 0x0200
87#define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100 88#define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100
88#define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020 89#define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020
89#define IOAT_CHANCTRL_ERR_INT_EN 0x0010 90#define IOAT_CHANCTRL_ERR_INT_EN 0x0010